Applicable computer size: 14.1-15.4 inches External dimensions: 39.0x28.5x9.5cm Internal dimensions: 37.5x27.0x9.0cm 1. Large capacity scientific stratification, humanized scientific stratification storage, help you live orderly, meet your daily travel, school commute can be suitable for storing laptops, books, umbrellas and other items 2. A variety of protection care computer, new and upgraded protection all-round, thickened protection computer, computer warehouse: before and after, around, the bottom are surrounded by fluff, five perimeter protection more assured 3. Travel good companion, bag bag design, travel, bag combination, free hands, back practical bag design, practical and convenient, back at the bottom of the chain can be pulled up bag storage, unzipper, can be inserted into the trunk rod 4. Protection everywhere, waterproof effect can be seen, selected tear resistant fabric, wear-resistant, environmental protection, waterproof 5. Anti-wear handle comfortable and easy to pull, personality two-way zipper, smooth and easy to pull, magnetic button design fashion exquisite circle